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King's Indian Defense: Petrosian Variation, Stein Defense

70K games from Lichess · Updated January 2026

Playable
Black Expected Score50.5%Range (90% confident): 50.2% – 50.8%Based on 70K games
0%50.5%100%
Range (90% confident): 50.2% – 50.8%
Outcome Distribution
47.7%5.5%46.7%
Win
Draw
Loss
7...a5
King's Indian Defense: Petrosian Variation, Stein Defense
Analyzen=70K
Avg Length39 moves
Sharpness95%
Draw Rate5.5%

What is the King's Indian Defense: Petrosian Variation, Stein Defense expected score for Black?

Snapshot

At all ratings, the King's Indian Defense: Petrosian Variation, Stein Defense has a 50.5% expected score for Black (we're 90% confident it's between 50.2% and 50.8%), based on 70K Lichess games.

Extra Analysis

Deep-dive datasets for this opening

Time-Control Swing

Max swing: 8.1% · Bullet best · Classical worst

Black Win% by Rating

Declines with rating: 65% → 40%

0
1000
1200
1400
1600
1800
2000
2200
2500+

  • 0-999: 64.7% win rate (24 games)
  • 1000-1199: 56.5% win rate (102 games)
  • 1200-1399: 57.5% win rate (380 games)
  • 1400-1599: 55.7% win rate (1,564 games)
  • 1600-1799: 56.2% win rate (4,766 games)
  • 1800-1999: 53.6% win rate (11,656 games)
  • 2000-2199: 49.9% win rate (19,452 games)
  • 2200-2499: 43.4% win rate (23,939 games)
  • 2500+: 39.8% win rate (8,202 games)

Black Win% by Time Control

Best in Rapid (52%), worst in UltraBullet (33%)

UltraBullet
Bullet
Blitz
Rapid
Classical

  • UltraBullet: 33.3% win rate (3 games)
  • Bullet: 46.9% win rate (13,911 games)
  • Blitz: 47.2% win rate (47,693 games)
  • Rapid: 52.0% win rate (7,905 games)
  • Classical: 50.0% win rate (573 games)

Black% by Rating × Time Control

Click any cell to filter. Green = above 50%, Red = below 50%.

RatingUBBulleBlitzRapidClass
0-999——
1000-1199——
1200-1399—
1400-1599—
1600-1799—
1800-1999
2000-2199—
2200-2499—
2500+—

Expected score matrix by rating bracket and time control

  • 0-999 rating, Bullet: 62.9% expected score (14 games)
  • 0-999 rating, Blitz: 63.4% expected score (6 games)
  • 0-999 rating, Rapid: 68.2% expected score (4 games)
  • 1000-1199 rating, Bullet: 50.0% expected score (50 games)
  • 1000-1199 rating, Blitz: 58.4% expected score (40 games)
  • 1000-1199 rating, Rapid: 83.4% expected score (12 games)
  • 1200-1399 rating, Bullet: 54.8% expected score (125 games)
  • 1200-1399 rating, Blitz: 59.2% expected score (200 games)
  • 1200-1399 rating, Rapid: 68.1% expected score (54 games)
  • 1200-1399 rating, Classical: 70.0% expected score (1 games)
  • 1400-1599 rating, Bullet: 56.9% expected score (372 games)
  • 1400-1599 rating, Blitz: 56.7% expected score (914 games)
  • 1400-1599 rating, Rapid: 63.5% expected score (269 games)
  • 1400-1599 rating, Classical: 35.7% expected score (9 games)
  • 1600-1799 rating, Bullet: 53.5% expected score (694 games)
  • 1600-1799 rating, Blitz: 58.7% expected score (3,173 games)
  • 1600-1799 rating, Rapid: 60.9% expected score (821 games)
  • 1600-1799 rating, Classical: 53.8% expected score (78 games)
  • 1800-1999 rating, UltraBullet: 38.9% expected score (3 games)
  • 1800-1999 rating, Bullet: 52.2% expected score (1,440 games)
  • 1800-1999 rating, Blitz: 55.4% expected score (7,803 games)
  • 1800-1999 rating, Rapid: 58.8% expected score (2,177 games)
  • 1800-1999 rating, Classical: 61.9% expected score (233 games)
  • 2000-2199 rating, Bullet: 53.0% expected score (2,277 games)
  • 2000-2199 rating, Blitz: 52.0% expected score (14,239 games)
  • 2000-2199 rating, Rapid: 56.3% expected score (2,725 games)
  • 2000-2199 rating, Classical: 48.1% expected score (211 games)
  • 2200-2499 rating, Bullet: 47.4% expected score (5,187 games)
  • 2200-2499 rating, Blitz: 46.3% expected score (16,982 games)
  • 2200-2499 rating, Rapid: 46.1% expected score (1,733 games)
  • 2200-2499 rating, Classical: 50.0% expected score (37 games)
  • 2500+ rating, Bullet: 45.1% expected score (3,752 games)
  • 2500+ rating, Blitz: 42.2% expected score (4,336 games)
  • 2500+ rating, Rapid: 33.4% expected score (110 games)
  • 2500+ rating, Classical: 40.9% expected score (4 games)

Related Openings

Parent
King's Indian Defense
48.1%
Variations (5)
King's Indian Defense: Normal Variation
48.9%
King's Indian Defense: Normal Variation, Rare Defenses
47.5%
King's Indian Defense: Normal Variation, King's Knight Variation
48.1%
King's Indian Defense: Orthodox Variation
49.9%
King's Indian Defense: Smyslov Variation
48.7%
Analyze King's Indian Defense: Petrosian Variation, Stein Defense PositionsGet move-by-move win rates with the TrueElo analyzer

Frequently Asked Questions

What is the King's Indian Defense: Petrosian Variation, Stein Defense win rate?

The King's Indian Defense: Petrosian Variation, Stein Defense has a 46.7% (90% CI: 46.4%-47.1%) win rate for white, based on 70K rated games from Lichess.

At what rating does the King's Indian Defense: Petrosian Variation, Stein Defense perform best?

The King's Indian Defense: Petrosian Variation, Stein Defense performs best at 2500+ Elo with a 53.0% win rate for white (8.2K games). Win rate tends to decline at higher ratings as opponents know the theory better.

Is the King's Indian Defense: Petrosian Variation, Stein Defense better in blitz or rapid?

Bullet (49.3%) outperforms Classical (41.2%) by 8.1%. Choose your time control wisely.

How sharp is the King's Indian Defense: Petrosian Variation, Stein Defense?

The King's Indian Defense: Petrosian Variation, Stein Defense has a sharpness score of 94.5 (decisive), meaning 94.5% of games end decisively. Average game length is 39 moves.

What is the King's Indian Defense: Petrosian Variation, Stein Defense win rate at 1000-1199 Elo?

At 1000-1199 Elo, the King's Indian Defense: Petrosian Variation, Stein Defense has a 41.1% (90% CI: 33.2%-49.1%) win rate for white, based on 102 Lichess games. Average game length is 27 moves with a 2.4% draw rate.

What is the King's Indian Defense: Petrosian Variation, Stein Defense win rate at 1200-1399 Elo?

At 1200-1399 Elo, the King's Indian Defense: Petrosian Variation, Stein Defense has a 39.2% (90% CI: 35.1%-43.3%) win rate for white, based on 380 Lichess games. Average game length is 30 moves with a 3.3% draw rate.

What is the King's Indian Defense: Petrosian Variation, Stein Defense win rate at 1400-1599 Elo?

At 1400-1599 Elo, the King's Indian Defense: Petrosian Variation, Stein Defense has a 40.1% (90% CI: 38.1%-42.2%) win rate for white, based on 1.6K Lichess games. Average game length is 33 moves with a 4.1% draw rate.

What is the King's Indian Defense: Petrosian Variation, Stein Defense win rate at 1600-1799 Elo?

At 1600-1799 Elo, the King's Indian Defense: Petrosian Variation, Stein Defense has a 39.7% (90% CI: 38.6%-40.9%) win rate for white, based on 4.8K Lichess games. Average game length is 34 moves with a 4.1% draw rate.

What is the King's Indian Defense: Petrosian Variation, Stein Defense win rate at 1800-1999 Elo?

At 1800-1999 Elo, the King's Indian Defense: Petrosian Variation, Stein Defense has a 42.2% (90% CI: 41.4%-42.9%) win rate for white, based on 12K Lichess games. Average game length is 36 moves with a 4.2% draw rate.

What is the King's Indian Defense: Petrosian Variation, Stein Defense win rate at 2000-2199 Elo?

At 2000-2199 Elo, the King's Indian Defense: Petrosian Variation, Stein Defense has a 44.7% (90% CI: 44.1%-45.3%) win rate for white, based on 19K Lichess games. Average game length is 38 moves with a 5.4% draw rate.

What is the King's Indian Defense: Petrosian Variation, Stein Defense win rate at 2200-2499 Elo?

At 2200-2499 Elo, the King's Indian Defense: Petrosian Variation, Stein Defense has a 50.5% (90% CI: 50.0%-51.0%) win rate for white, based on 24K Lichess games. Average game length is 40 moves with a 6.1% draw rate.

What is the King's Indian Defense: Petrosian Variation, Stein Defense win rate at 2500+ Elo?

At 2500+ Elo, the King's Indian Defense: Petrosian Variation, Stein Defense has a 53.0% (90% CI: 52.1%-53.9%) win rate for white, based on 8.2K Lichess games. Average game length is 43 moves with a 7.2% draw rate.

What is the King's Indian Defense: Petrosian Variation, Stein Defense win rate in Bullet?

In Bullet games, the King's Indian Defense: Petrosian Variation, Stein Defense has a 49.3% (90% CI: 48.6%-50.0%) win rate for white (14K Lichess games). Draw rate is 3.8%.

What is the King's Indian Defense: Petrosian Variation, Stein Defense win rate in Blitz?

In Blitz games, the King's Indian Defense: Petrosian Variation, Stein Defense has a 46.9% (90% CI: 46.6%-47.3%) win rate for white (48K Lichess games). Draw rate is 5.8%.

What is the King's Indian Defense: Petrosian Variation, Stein Defense win rate in Rapid?

In Rapid games, the King's Indian Defense: Petrosian Variation, Stein Defense has a 41.4% (90% CI: 40.5%-42.3%) win rate for white (7.9K Lichess games). Draw rate is 6.7%.

What is the King's Indian Defense: Petrosian Variation, Stein Defense win rate in Classical?

In Classical games, the King's Indian Defense: Petrosian Variation, Stein Defense has a 41.2% (90% CI: 37.8%-44.6%) win rate for white (573 Lichess games). Draw rate is 8.8%.

Is the King's Indian Defense: Petrosian Variation, Stein Defense a good opening?

The King's Indian Defense: Petrosian Variation, Stein Defense is statistically balanced with a 46.7% (90% CI: 46.4%-47.1%) win rate across all ratings. It performs best at 2500+ Elo. Your results depend on your rating, time control, and how well you know the typical plans.